CN113085940A - Transition car coupler - Google Patents
Transition car coupler Download PDFInfo
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- CN113085940A CN113085940A CN202010885300.8A CN202010885300A CN113085940A CN 113085940 A CN113085940 A CN 113085940A CN 202010885300 A CN202010885300 A CN 202010885300A CN 113085940 A CN113085940 A CN 113085940A
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- coupler
- hook
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- base
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- 230000007704 transition Effects 0.000 title claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 230000008878 coupling Effects 0.000 claims abstract description 22
- 238000010168 coupling process Methods 0.000 claims abstract description 22
- 238000005859 coupling reaction Methods 0.000 claims abstract description 22
- 230000003044 adaptive effect Effects 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims description 12
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 230000003137 locomotive effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G7/00—Details or accessories
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention provides a transition car coupler which comprises a coupler head and a coupler body; the first end of the hook body is connected with the hook head into a whole, and the second end of the hook body is provided with a coupler yoke key for being connected with an adaptive coupler; the transition coupler further comprises a first base body and a second base body, wherein the first base body is arranged on the coupler body, is opposite to the second base body, is positioned on one side close to the coupler head, and is connected with the second base body through a balance mechanism; the second base body is positioned on one side of the adapting coupler hook extending around the coupler yoke key, the opposite coupler yoke key is positioned on the side far away from the coupler head, and the distance between the second base body and the coupler yoke key is configured to be capable of contacting with the adapting coupler hook after the adapting coupler hook extends; the balancing mechanism includes an elastic member that is elastically deformable when the transition coupler rotates relative to the adapter coupler. The transition car coupler solves the problem of matching with a chain hook in a coupling mode, and meanwhile, the balance device is configured, so that the balance device can automatically keep balance through an elastic piece in the compression or stretching balance device, and the phenomenon that the head of the car is lowered or the car slips under the action of gravity is avoided. Thereby being beneficial to completing the connection with the other hook side.
Description
Technical Field
The invention relates to the technical field of railway vehicle couplers, in particular to a coupler for transition.
Background
The transition coupler is often used in conjunction with a locomotive for shunting operations, rescue operations, etc. The locomotive coupler adopts a chain coupler, and the coupler of the vehicle to be rescued is determined according to the specific type of the vehicle. For example, in the field of european rail vehicles, a train equipped with a chain coupler (draw hook) for locomotive rescue configuration and a tight-lock coupler (10 type) is very commonly used.
The coupling part of the chain car coupler is a hook, the coupling part of the tight lock car coupler is a coupler tongue and a coupling rod, and the coupling forms of the hook tongue and the coupling rod are different, so that the chain car coupler and the tight lock car coupler cannot be directly matched, and therefore, in order to solve the rescue problem, a transition device, namely the rescue car coupler, needs to be added in the middle. The rescue coupler is also called a transition coupler because one end of the rescue coupler is connected with the chain coupler and the other end of the rescue coupler is connected with the tight-lock coupler to play a role of transition connection.
The chain couplers are usually connected with each other only by using a mode that a chain is hung on the opposite side hook, and the mode can only bear tension. The chain car coupler is similar to a hook, and is simple in structure and free of reserved installation interfaces. The existing coupler can not solve the function of adapting to the coupler of the chain. And the rescue car hook is required to be balanced after being connected with the chain hook so as to be connected with an opposite side 10 type or other close-fitting type car hook. The rescue car coupler can rotate up and down around the chain car coupler by not less than 6 degrees so as to meet the requirements of 75mm hook height difference coupling and curve passing. After the rescue car coupler and the chain car coupler are connected, the rescue car coupler can simultaneously bear two working conditions of tension and compression.
To solve this problem, some transition couplers are provided with a balancing device in the prior art. For example, patent publication No. CN203558079U discloses a transition coupler balancing device disposed at the S-face for coupling contact of No. 15/13; patent publication CN107128327B discloses a coupling guide, which is also applicable to coupler No. 15/13.
In the prior art, a transition car coupler matched with a chain hook for use is not disclosed with a head-lowering prevention structure.
Disclosure of Invention
The invention aims to provide a transition coupler suitable for being coupled with a chain coupler, which can be matched with the chain coupler and is provided with a head-lowering prevention structure, so that the coupling problem of the chain coupler and the head-lowering phenomenon of the transition coupler after coupling can be solved.
To achieve the above objects, in some embodiments of the present invention, a transition coupler is provided, including a coupler head and a coupler body; the first end of the hook body is connected with the hook head into a whole, and the second end of the hook body is provided with a coupler yoke key for being connected with an adaptive coupler;
the transition coupler further comprises a first base body and a second base body, wherein the first base body is arranged on the coupler body, is opposite to the second base body, is positioned on one side close to the coupler head, and is connected with the second base body through a balance mechanism; the second base body is positioned on one side of the adaptive coupler hook extending out around the coupler yoke key, and the position of the second base body is configured to be contacted with the hook after the hook is connected around the coupler yoke key;
the balance mechanism comprises an elastic piece which can elastically deform when the transition coupler rotates relative to the adaptive coupler.
In some embodiments of the present invention, the balancing mechanism further includes a connecting member, one end of the connecting member is connected to the second base, and the other end of the connecting member protrudes through the first base, and the elastic member is disposed between the head of the protruding end of the connecting member through the first base and the first base.
In some embodiments of the present invention, the connecting member is a connecting rod, a stop member is disposed at an end of the connecting rod extending through the first base, and the elastic member is sleeved on the connecting rod and located between the stop member and the first base.
In some embodiments of the invention, the second substrate is a plate-like structure.
In some embodiments of the present invention, the connecting member includes a first connecting member and a second connecting member symmetrically disposed on two sides of the axis of the hook body, and each of the connecting members is configured with the elastic member.
In some embodiments of the invention, the resilient member is disposed between the stopper and the first base, and between the first base and the second base.
In some embodiments of the present invention, the elastic member is disposed between the first substrate and the second substrate, and both ends of the elastic member are connected to the first substrate and the second substrate, respectively.
In some embodiments of the present invention, a frame is further disposed on the coupler body, and is located on a side opposite to the first base, and a space formed between the frame and the coupler body is configured to allow a coupler adapted to the coupler to pass through a gap between the frame and the coupler body.
In some embodiments of the invention, the frame is aligned with the coupler post.
In some embodiments of the present invention, the hook body is a hollow skeleton structure.
In some embodiments of the invention, the hook body is provided with a handle.
Compared with the prior art, the car coupler provided by the embodiments of the invention has the beneficial effects that:
the rescue car coupler solves the technical problem that a chain hook and a transition hook are connected in a compatible mode.
The rescue car coupler provided by the invention is provided with the balance mechanism, when the rescue car coupler is turned down due to self weight, the chain hook of the coupling and the balance mechanism act to compress or stretch the elastic part, and the reaction force of the elastic part acts on the coupler body of the car coupler, so that the turned-down car coupler can be effectively lifted, and the horizontal coupling of the transition car coupler is kept.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural view of a transition coupler and a chain hook in a coupled state;
FIG. 2 is a schematic top view of a transition coupler and chain hook coupling configuration of the present invention;
FIG. 3 is a schematic structural diagram of a coupler body of a transition vehicle according to the present invention (without a balancing mechanism);
FIG. 4 is a head-lowering state diagram of the transition coupler of the present invention;
FIG. 5 is a perspective view of a transition coupler without a frame and a chain link coupled thereto;
FIG. 6 is a perspective structural view of the frame body;
FIG. 7 is a schematic structural diagram of a second embodiment of a transition coupler;
in the above figure:
1-hook head;
2-shank, 201-first body plate mechanism, 2011-first side support, 2012-second side support, 202-second body plate mechanism, 203-third body plate mechanism, 204-fourth body plate mechanism, 205-coupler tail pin mounting hole;
3-hooking a tail pin;
4-a first substrate;
5-a second substrate;
6-connecting rod, 601-stop;
7-a spring;
8-a frame body;
9-a handle;
10-hanging hooks;
11-chain hook;
12-lightening holes.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "disposed on," "connected to," another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "upper," "lower," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship as shown in the drawings for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not intended to imply relative importance.
The invention provides a transition coupler which can be used for operations such as car supporting, rescue and the like and is matched with a locomotive chain hook for use.
The structure of the transition coupler refers to fig. 1 to 3, and comprises a coupler head 1 and a coupler body 2.
The invention provides a transitional coupler for a No. 10 coupler, which is characterized in that the coupler head structure of the transitional coupler is matched with the coupling requirement of the No. 10 coupler, and comprises a coupler knuckle, a coupling rod and other structures, which belong to the prior art and are not described any more.
The 2 side of the coupler body is used for being connected with a chain hook. The first end of the coupler body 2 is connected with the coupler head 1 into a whole, and the second end is provided with a coupler yoke 3 for being coupled with an adaptive coupler, specifically, a chain hook 11 in the embodiment. Specifically, the hook body 2 comprises a hook body main body, wherein the first end of the main body is connected with the hook head 1 into a whole, and the second end of the main body is connected with the chain hook 11. The structure of the second end of the hook body 2 comprises:
a first side support 2011 extending along the hook body to a second end direction, wherein the second direction is a direction away from the vehicle to be rescued;
second side support 2012: extending along the body in the direction of the second end and disposed on the opposite side of the first side support 2011;
coupler pin 3: the first side support 2011 and the second side support 2012 are arranged in a clearance mode, and the coupler pin 3 is arranged between the first side support 2011 and the second side support 2012 and is connected with the first side support 2011 and the second side support 2011; specifically, the first side support 2011 and the second side support 2012 are both provided with a coupler yoke pin mounting hole 205, and the coupler yoke pin 3 is inserted into the mounting hole 205;
the hook body, the first side support 2011, the second side support 2012 and the coupler yoke 3 are in an open gap, so that the chain hook 10 can be hung with the coupler yoke 3 through the gap.
The transition coupler further comprises a first base body 4 and a second base body 5, wherein the first base body 4 is arranged on the coupler body 2, specifically, the first base body 4 is fixedly arranged on the coupler body 2, and relative to the second base body 5, the first base body 4 is positioned on one side close to the coupler head 1 and is connected with the second base body 5 through a balance mechanism; the second base body 5 is located on the side of the adapter coupler where the coupler knuckle 10 extends around the coupler knuckle 3 and on the side opposite to the coupler knuckle 3, which is far from the coupler head, and the position of the second base body 5 is configured such that the second base body 5 can be brought into contact with the coupler 10 of the adapter coupler and can be driven by the coupler 10 to move after the coupler 10 is coupled around the coupler knuckle. Specifically, when the chain hook 11 is coupled with the transition coupler, the hook 10 of the chain hook 11 extends around the coupler yoke key 3, and the head part of the hook abuts against the second base body 5; the second base body 5 adopts a plate-shaped structure, so that the contact action of the hook 10 and the second base body can be ensured;
the balance mechanism comprises an elastic part which can be elastically deformed when the transition car coupler rotates relative to the adaptive car coupler, the deformation can be stretched or compressed, and when the transition car coupler is lowered, the reaction generated by the deformation of the elastic part can effectively raise the lowered car coupler so as to enable the whole car coupler to be horizontally connected and hung.
In some embodiments of the present invention, the balancing mechanism further includes a connecting member, one end of which is connected to the second base 5, and the other end of which protrudes through the first base 4, and an elastic member is disposed between a head of the end of the connecting member protruding through the first base 4 and the first base 4.
As a concrete structure of implementing, connecting rod 6 that the connecting piece can adopt, the elastic component adopts be the spring, sets up the connecting piece hole on first base member 4, and connecting rod 6 one end is worn out through the connecting piece hole, also is provided with the connecting piece hole on second base member 5, and the other end of connecting rod 6 is worn out through the connecting piece hole, and the end of wearing out is fixed by fixing bolt. The connecting rod 6 is provided with the stopper 601 through the one end that first base member 4 stretches out, and spring 7 can adopt multiple form to be connected with connecting rod 6, and spring 7 suit is on connecting rod 6 in this embodiment, is located between stopper 601 and the first base member 4. In the direction shown in the attached drawing, when the transition coupler is lowered, the transition coupler rotates anticlockwise relatively, force is applied between the second base body 5 and the hook 10 of the chain hook 11, the second base body 5 moves towards the rear side of the coupler body 2 relatively, the connecting rod 6 is pulled to move, and the spring 7 is compressed. Referring to fig. 4, the compression force of the spring 7 reacts against the transition coupler, limiting the bow of the transition coupler.
In some embodiments of the present invention, the connecting member includes a first connecting member and a second connecting member symmetrically disposed on two sides of the axis of the hook body, and each of the connecting members is configured with the elastic member. Specifically speaking, to the structure that adopts connecting rod 6 as the connecting piece, connecting rod 6 includes two, and the symmetry sets up in both sides, all overlaps on every connecting rod 6 and is equipped with spring 7, and couple 10 is worn out between the clearance between first connecting piece and the second connecting piece. The balance acting force of the balance mechanism can be enhanced by arranging a plurality of groups of connecting piece structures, and the balance effect is ensured.
The balancing mechanism described above works by using the compressive force of the elastic member to achieve the balancing effect, and in some embodiments, the tensile force of the elastic member may also be used to achieve the balancing effect.
In some embodiments of the present invention, referring to fig. 7, the elastic member is disposed between the first substrate 4 and the second substrate 5, and both ends are connected to the first substrate 4 and the second substrate 5, respectively. In the direction shown in the drawing, when the transition coupler is lowered, the transition coupler rotates anticlockwise relatively, force is applied between the second base body 5 and the hook 10 of the chain hook 11, the second base body 5 moves towards the rear side of the coupler body 2 relatively, the connecting rod 6 is pulled to move, and the spring 7 is stretched. The tension of the spring 7 acts against the transition coupler, and the head of the transition coupler can be limited.
In some embodiments of the present invention, a frame 8 is further disposed on the coupler body, and is located on a side opposite to the first base 4, and a space formed between the frame 8 and the coupler body 2 is configured to allow a coupler 10 of an adapter coupler to pass through a gap between the frame 9 and the coupler body. Referring to the drawings, the first base 4 and the second base 5 are located on the outgoing side of the chain hook 11, and the frame body 8 is located on the incoming side of the chain hook 11. The main function of the frame 9 is to prevent the chain hook 11 from being unhooked. Referring to fig. 5 and 6, since only the coupling structure between the chain hook 11 and the coupler yoke 3, the hook 10 may be at risk of coming off the coupler yoke 3, and the structure of the frame body 8 may limit the unhooking movement of the chain hook 11. Specifically, the frame 8 is provided in alignment with the coupler pin 3, and is located directly below the axis of the coupler pin 3 in the illustrated direction.
In some embodiments of the invention, the coupler body 2 is a hollow framework structure, and the structure has the characteristic of light weight, so that the head lowering effect of the coupler can be reduced relative to the coupler with heavy weight. The strength requirement is met while the weight is reduced, and the overall portability and operability of the coupler are improved.
Further discloses a concrete implementation form of the framework type hook body 2.
The hook body 2 includes: a first body plate mechanism 201, a second body plate mechanism 202, a third body plate mechanism 203, and a fourth body plate mechanism 204.
The first main body plate mechanism 201 and the second main body plate mechanism 202 are arranged at intervals, the third main body plate mechanism 203 is connected with a gap on the first side of the first main body plate mechanism 201 and the second main body plate mechanism 202, the fourth main body plate mechanism 204 is connected with a gap on the second side of the first main body plate mechanism 201 and the second main body plate mechanism 202, and the first side is opposite to the second side. The first main body panel mechanism 201, the second main body panel mechanism 202, the third main body panel mechanism 203 and the fourth main body panel mechanism 204 are assembled by a tailor welding method to form a hollow frame structure. The structure has the characteristic of light weight, and the head lowering effect of the coupler can be reduced relative to the coupler with heavy weight. The strength requirement is met while the weight is reduced, and the overall portability and operability of the coupler are improved.
The specific shape of each main body plate mechanism depends on the matching structure with the first end coupling mechanism and the second end coupling mechanism, for example, still taking the example of matching with a No. 10 car coupler, each main body plate mechanism needs to be matched and spliced with the hook head end of the hook body main body after being assembled. Furthermore, for example, to achieve a better adaptive splicing effect, each main body plate mechanism can be formed by processing a single plate, and can also be further formed by splicing multiple plates.
In some embodiments of the present invention, the first base 4, the second base 5 and the balancing mechanism may be disposed on the second body plate mechanism 202 or the fourth body plate mechanism 204, and after coupling with other couplers, one side of the first base 4 and one side of the second base 5 face upward.
In some embodiments of the present invention, the first side support 2011 is integral with the first body panel mechanism 201, and is an extension of the second end of the first body panel mechanism 201 along the direction from the first body panel mechanism 201 to the second end of the hook body;
the second side support 2012 is integral with the second body panel mechanism 202, and is an extension of the second body panel mechanism 202 toward the second end of the hook body along the second end of the second body panel mechanism 202.
Besides the integral structure, the supporting structures on two sides can also be spliced with the main body plate mechanisms on the corresponding sides.
In some embodiments of the present invention, lightening holes 12 may be formed in appropriate portions of each body plate mechanism to further reduce the weight of the hook body. In addition, as an auxiliary structure, the hook body 2 may be further provided with a handle 9 to facilitate coupling and installation of the coupler, and in this embodiment, the handle 11 is provided on the first body plate mechanism 201 and the second body plate mechanism 202.
The transition coupler provided by the invention can be compatible with a chain coupler, can be arranged on the chain coupler, can rotate around the chain coupler at a certain angle up and down, and can be subjected to two working conditions of stretching and compressing after being coupled with the chain coupler.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A transition car coupler is characterized by comprising a coupler head and a coupler body; the first end of the hook body is connected with the hook head into a whole, and the second end of the hook body is provided with a coupler yoke key for being connected with an adaptive coupler;
the transition coupler further comprises a first base body and a second base body, wherein the first base body is arranged on the coupler body, is opposite to the second base body, is positioned on one side close to the coupler head, and is connected with the second base body through a balance mechanism; the second base body is positioned on one side of the adaptive coupler hook extending out around the coupler yoke key, and the position of the second base body is configured to be contacted with the hook after the hook is connected around the coupler yoke key;
the balance mechanism comprises an elastic piece which can elastically deform when the transition coupler rotates relative to the adaptive coupler.
2. The transition coupler of claim 1, wherein the counterbalancing mechanism further comprises a connecting member, one end of the connecting member is connected to the second body, the other end of the connecting member extends through the first body, and the resilient member is disposed between the head of the connecting member extending through the first body and the first body.
3. The transition coupler of claim 2, wherein the coupling member is a coupler link, and wherein the end of the coupler link extending through the first body is provided with a stop, and wherein the resilient member is positioned between the stop and the first body.
4. The transition coupler of claim 3, wherein the resilient member is sleeved over the connecting rod.
5. The transition coupler according to claim 1, 2, 3 or 4, characterized in that the connecting elements comprise a first connecting element and a second connecting element, which are symmetrically arranged on both sides of the coupler body in the axial direction, and each connecting element is provided with the elastic element.
6. The transition coupler of claim 5, wherein the resilient member is disposed between the stop and the first base, and between the first base and the second base.
7. The transition coupler of claim 1, wherein the resilient member is disposed between the first and second bodies and has ends coupled to the first and second bodies, respectively.
8. The transition coupler of claim 1, wherein a frame is further disposed on the coupler body on a side opposite the first substrate, the frame and the coupler body being spaced apart such that a coupler of an adapter coupler can pass through a gap between the frame and the coupler body.
9. The transition coupler of claim 8, wherein the frame is disposed on an underside of the coupler yoke key.
10. The transition coupler of claim 1, wherein the coupler body is a hollow-type skeletal structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010885300.8A CN113085940A (en) | 2020-08-28 | 2020-08-28 | Transition car coupler |
| PCT/CN2021/113374 WO2022042405A1 (en) | 2020-08-28 | 2021-08-19 | Transition coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010885300.8A CN113085940A (en) | 2020-08-28 | 2020-08-28 | Transition car coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113085940A true CN113085940A (en) | 2021-07-09 |
Family
ID=76663812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010885300.8A Pending CN113085940A (en) | 2020-08-28 | 2020-08-28 | Transition car coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113085940A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022042405A1 (en) * | 2020-08-28 | 2022-03-03 | 中车青岛四方车辆研究所有限公司 | Transition coupler |
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| CN2698670Y (en) * | 2004-05-09 | 2005-05-11 | 中国北车集团四方车辆研究所 | Tight-lock coupler damping device |
| CN102233883A (en) * | 2010-05-04 | 2011-11-09 | 福伊特专利公司 | Transitional coupling for matching couplings of different types |
| CN103569150A (en) * | 2013-11-20 | 2014-02-12 | 青岛四方车辆研究所有限公司 | Balancing device used for transition draw gear |
| CN105083318A (en) * | 2015-09-28 | 2015-11-25 | 青岛思锐科技有限公司 | Vertical support devices provided with springs and used for car coupler |
| CN105599783A (en) * | 2016-01-18 | 2016-05-25 | 中车青岛四方车辆研究所有限公司 | Coupler and buffer device and coupler height adjusting and limiting device |
| CN207916863U (en) * | 2018-03-19 | 2018-09-28 | 宣化钢铁集团有限责任公司 | A kind of spring hot-metal car coupler butt is anti-to stick up device |
| CN212313553U (en) * | 2020-08-28 | 2021-01-08 | 中车青岛四方车辆研究所有限公司 | Transition car coupler |
-
2020
- 2020-08-28 CN CN202010885300.8A patent/CN113085940A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2698670Y (en) * | 2004-05-09 | 2005-05-11 | 中国北车集团四方车辆研究所 | Tight-lock coupler damping device |
| CN102233883A (en) * | 2010-05-04 | 2011-11-09 | 福伊特专利公司 | Transitional coupling for matching couplings of different types |
| CN103569150A (en) * | 2013-11-20 | 2014-02-12 | 青岛四方车辆研究所有限公司 | Balancing device used for transition draw gear |
| CN105083318A (en) * | 2015-09-28 | 2015-11-25 | 青岛思锐科技有限公司 | Vertical support devices provided with springs and used for car coupler |
| CN105599783A (en) * | 2016-01-18 | 2016-05-25 | 中车青岛四方车辆研究所有限公司 | Coupler and buffer device and coupler height adjusting and limiting device |
| CN207916863U (en) * | 2018-03-19 | 2018-09-28 | 宣化钢铁集团有限责任公司 | A kind of spring hot-metal car coupler butt is anti-to stick up device |
| CN212313553U (en) * | 2020-08-28 | 2021-01-08 | 中车青岛四方车辆研究所有限公司 | Transition car coupler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022042405A1 (en) * | 2020-08-28 | 2022-03-03 | 中车青岛四方车辆研究所有限公司 | Transition coupler |
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